Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/2183
I have one final remark concerning the busy wait loop. I think it's better
to replace it with a wait-notify construct. Maybe we could also add a test
which assures that the `sendValues` loop is left in case of an exception.
After addressing this comment, I think the PR is good to be merged.
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